src/WINNT/afsd/cm_memmap.h

   1 /*
   2  * Copyright 2004, Secure Endpoints Inc.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #ifndef CM_MEMMAP_H
  11 #define CM_MEMMAP_H 1
  12
  13 #define CM_CONFIG_DATA_MAGIC            ('A' | 'F'<<8 | 'S'<<16 | 'D'<<24)
  14
  15 typedef struct cm_config_data {
  16     afs_uint32          size;
  17     afs_uint32          magic;
  18     CHAR *              baseAddress;
  19
  20     afs_uint32          stats;
  21     afs_uint32          chunkSize;
  22     afs_uint32          blockSize;
  23     afs_uint64          bufferSize;
  24     afs_uint32          cacheType;
  25     afs_uint32          dirty;
  26
  27     cm_volume_t *       volumeBaseAddress;
  28     cm_cell_t   *       cellBaseAddress;
  29     cm_aclent_t *       aclBaseAddress;
  30     cm_scache_t *       scacheBaseAddress;
  31     cm_nc_t     *       dnlcBaseAddress;
  32     cm_buf_t    *       bufHeaderBaseAddress;
  33     char *              bufDataBaseAddress;
  34     char *              bufEndOfData;
  35
  36     cm_volume_t *       allVolumesp;
  37     afs_uint32          currentVolumes;
  38     afs_uint32          maxVolumes;
  39
  40     cm_cell_t   *       allCellsp;
  41     afs_uint32          currentCells;
  42     afs_uint32          maxCells;
  43
  44     cm_volume_t *       rootVolumep;
  45     cm_cell_t   *       rootCellp;
  46     cm_fid_t            rootFid;
  47     cm_scache_t *       rootSCachep;
  48     cm_scache_t         fakeSCache;
  49     afs_uint64          fakeDirVersion;
  50
  51     cm_aclent_t *       aclLRUp;
  52     cm_aclent_t *       aclLRUEndp;
  53
  54     cm_scache_t **      scacheHashTablep;
  55     afs_uint32          scacheHashTableSize;
  56
  57     cm_scache_t *       allSCachesp;
  58     afs_uint32          currentSCaches;
  59     afs_uint32          maxSCaches;
  60     cm_scache_t *       scacheLRUFirstp;
  61     cm_scache_t *       scacheLRULastp;
  62
  63     cm_cell_t   **      cellNameHashTablep;
  64     cm_cell_t   **      cellIDHashTablep;
  65     afs_uint32          cellHashTableSize;
  66
  67     cm_volume_t **      volumeNameHashTablep;
  68     cm_volume_t **      volumeRWIDHashTablep;
  69     cm_volume_t **      volumeROIDHashTablep;
  70     cm_volume_t **      volumeBKIDHashTablep;
  71     afs_uint32          volumeHashTableSize;
  72     cm_volume_t *       volumeLRUFirstp;
  73     cm_volume_t *       volumeLRULastp;
  74
  75     cm_nc_t     *       ncfreelist;
  76     cm_nc_t     *       nameCache;
  77     cm_nc_t     **      nameHash;
  78
  79     cm_buf_t    *       buf_freeListp;
  80     cm_buf_t    *       buf_freeListEndp;
  81     cm_buf_t    *       buf_dirtyListp;
  82     cm_buf_t    *       buf_dirtyListEndp;
  83     cm_buf_t    **      buf_scacheHashTablepp;
  84     cm_buf_t    **      buf_fileHashTablepp;
  85     cm_buf_t    *       buf_allp;
  86     afs_uint64          buf_nbuffers;
  87     afs_uint32          buf_blockSize;
  88     afs_uint32          buf_hashSize;
  89     afs_uint64          buf_nOrigBuffers;
  90     afs_uint64          buf_reservedBufs;
  91     afs_uint64          buf_maxReservedBufs;
  92     afs_uint64          buf_reserveWaiting;
  93
  94     time_t              mountRootGen;
  95     afsUUID             Uuid;
  96     DWORD               volSerialNumber;
  97     CHAR                Sid[6 * sizeof(DWORD)];
  98 } cm_config_data_t;
  99
 100 extern cm_config_data_t cm_data;
 101
 102 afs_uint64 GranularityAdjustment(afs_uint64 size);
 103 afs_uint64 ComputeSizeOfConfigData(void);
 104 afs_uint64 ComputeSizeOfVolumes(DWORD maxvols);
 105 afs_uint64 ComputeSizeOfCells(DWORD maxcells);
 106 afs_uint64 ComputeSizeOfACLCache(DWORD stats);
 107 afs_uint64 ComputeSizeOfSCache(DWORD stats);
 108 afs_uint64 ComputeSizeOfSCacheHT(DWORD stats);
 109 afs_uint64 ComputeSizeOfDNLCache(void);
 110 afs_uint64 ComputeSizeOfDataBuffers(afs_uint64 cacheBlocks, DWORD blockSize);
 111 afs_uint64 ComputeSizeOfDataHT(afs_uint64 cacheBlocks);
 112 afs_uint64 ComputeSizeOfDataHeaders(afs_uint64 cacheBlocks);
 113 afs_uint64 ComputeSizeOfMappingFile(DWORD stats, DWORD maxVols, DWORD maxCells, DWORD chunkSize, afs_uint64 cacheBlocks, DWORD blockSize);
 114 PSECURITY_ATTRIBUTES CreateCacheFileSA();
 115 VOID  FreeCacheFileSA(PSECURITY_ATTRIBUTES psa);
 116 int   cm_ShutdownMappedMemory(void);
 117 int   cm_ValidateMappedMemory(char * cachePath);
 118 int   cm_InitMappedMemory(DWORD virtualCache, char * cachePath, DWORD stats, DWORD chunkSize, afs_uint64 cacheBlocks, afs_uint32 blockSize);
 119 #endif /* CM_MEMMAP_H */